--- pty.c  2003-09-08 23:26:18.000000000 +0900
+++ pty.c        2010-11-11 20:17:05.000000000 +0900
@@ -33,11 +33,6 @@
 # include <sys/ioctl.h>
 #endif

-/* for solaris 2.1, Unixware (SVR4.2) and possibly others */
-#ifdef HAVE_SVR4_PTYS
-# include <sys/stropts.h>
-#endif
-
 #if defined(sun) && defined(LOCKPTY) && !defined(TIOCEXCL)
 # include <sys/ttold.h>
 #endif